Sei Dadap Postal Codes: 21279 | Asahan, Sumatera Utara

The Postal Codes (Kode pos) for Sei Dadap is 21279 in Asahan, Sumatera Utara, Asahan, Indonesia. The table below lists Postal Codes and postcodes for places within Sei Dadap.

Postal Codes for Places in Sei Dadap

Showing 10 places in Sei Dadap. Last verified with official records on April 21, 2026.


Bahung Sibatu-Batu
Pasiran
Perkebunan Sei Dadap I-Ii
Perkebunan Sei Dadap III-Iv
Sei Alim Hasak
Sei Kamah Baru
Sei Kamah I
Sei Kamah II
Tanjung Alam
Tanjung Asri

Sample Address Format for Sei Dadap

Sender

[Sender Name]
[Sender Street Address]
[City, ZIP]
[Country]

Recipient

[Recipient Name]
Street Address / PO Box
Sei Dadap, Asahan, Sumatera Utara, 21279
INDONESIA

Sei Dadap on the Map

The map above highlights the geographic boundaries of the Sei Dadap districts in Indonesia.

Sei Dadap Quick Facts

Country	Indonesia (ID)
Administrative Path	Indonesia → Sumatera Utara → Asahan
Postal Code	21279
Province	Sumatera Utara
Regencies	Asahan
ISO Codes	ID / IDN / 360
Top-level domain (ccTLD)	.id
Coordinates	2.952038, 99.664788
Places	10

What to Know About Sei Dadap

Key Facts

Sei Dadap is a district (kecamatan) located in Asahan Regency, within the North Sumatra province of Indonesia. Situated in the eastern part of Asahan Regency, this administrative district lies along the strategic coastal area of the Strait of Malacca, positioning it as an important maritime gateway for the region. With an approximate population of around 45,000 residents spread across its various villages, Sei Dadap covers a land area of approximately 125 square kilometers, characterized by a mix of coastal lowlands and agricultural plains. The district is administratively divided into 10 villages (desa/kelurahan), each with its own local governance structure and community characteristics. The economy of Sei Dadap is primarily based on agriculture, fishing, and small-scale trade, benefiting from its coastal location and fertile soils. The district's name, which translates to 'Dadap River,' reflects the importance of waterways in the area's geography and transportation networks. For residents and businesses seeking to access postal services and delivery information, understanding the specific postal codes for each of Sei Dadap's 10 villages is essential for efficient mail distribution and location-based services throughout the district.

Neighboring Regions

Air Joman
Tanjung Balai
Teluk Dalam
Silau Laut
Kisaran Timur

Page updated: 2026-04-21